首页> 外文期刊>The journal of physical chemistry, A. Molecules, spectroscopy, kinetics, environment, & general theory >Nascent versus 'Steady-State' Rovibrational Distributions in the Products of the O(~3P) + O_3((X-tilde)~1A) Reaction
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Nascent versus 'Steady-State' Rovibrational Distributions in the Products of the O(~3P) + O_3((X-tilde)~1A) Reaction

机译:O(〜3P)+ O_3((X-tilde)〜1A)反应产物中新生态与“稳态”振动的分布

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We report a trajectory simulation study of the O_2(v',j') + O_2(v",j") collisional process at a translational temperature of 1500 K with a view to compare the initial and final rovibrational distributions of the colliding species. As initial rotational and vibrational micropopulations we assume those calculated for the products of the forward title reaction. Rotational relaxation is found to occur to a larger extent than vibrational relaxation, a result that is in general agreement with experimental measurements for small and moderate delay times after the reaction O + O_3 → O_2(v',j') + O_2(v",j") has occurred. Rather than a single rotational temperature reported from the experiments, the simulations predict two disparate rotational temperatures close to those characterizing the nascent micropopulation. An increase in temperature due to vibrational-translational and rotational-translational relaxation processes is also predicted.
机译:我们报告了在1500 K的平移温度下O_2(v',j')+ O_2(v“,j”)碰撞过程的轨迹模拟研究,目的是比较碰撞物种的初始和最终旋转振动分布。作为初始的旋转和振动微种群,我们假设为正向标题反应产物计算的那些。发现旋转弛豫比振动弛豫更大,这一结果与反应后O + O_3→O_2(v',j')+ O_2(v“ ,j“)已发生。该模拟并未预测实验报告的单个旋转温度,而是预测了两个不同的旋转温度,它们接近表征新生的微种群的温度。还预计由于振动-平移和旋转-平移松弛过程而引起的温度升高。

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